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 * Licensed to the Apache Software Foundation (ASF) under one   *
 * or more contributor license agreements.  See the NOTICE file *
 * distributed with this work for additional information        *
 * regarding copyright ownership.  The ASF licenses this file   *
 * to you under the Apache License, Version 2.0 (the            *
 * "License"); you may not use this file except in compliance   *
 * with the License.  You may obtain a copy of the License at   *
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 *   http://www.apache.org/licenses/LICENSE-2.0                 *
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 * Unless required by applicable law or agreed to in writing,   *
 * software distributed under the License is distributed on an  *
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
 * KIND, either express or implied.  See the License for the    *
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package org.apache.james;

import java.io.FileNotFoundException;
import java.util.Optional;

import org.apache.commons.configuration2.Configuration;
import org.apache.commons.configuration2.ex.ConfigurationException;
import org.apache.james.utils.PropertiesProvider;

public enum MailQueueChoice {
    RABBITMQ,
    PULSAR;

    public static MailQueueChoice parse(Configuration configuration) {
        return Optional.ofNullable(configuration.getString("mail.queue.choice", null))
            .map(MailQueueChoice::valueOf)
            .orElse(MailQueueChoice.RABBITMQ);
    }

    public static MailQueueChoice parse(PropertiesProvider configuration) {
        try {
            return parse(configuration.getConfiguration("queue"));
        } catch (FileNotFoundException e) {
            return RABBITMQ;
        } catch (ConfigurationException e) {
            throw new RuntimeException(e);
        }
    }
}
